An Oil Cooler Line Replacement cost in Arlington in 2024

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An Oil Cooler Line Replacement costs by shop in Arlington.

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Average cost of An Oil Cooler Line Replacement for popular vehicle models in Arlington:

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THE IMPORTANCE OF An Oil Cooler Line Replacement

What is an engine oil cooler line and how does it work?

The engine in your vehicle uses oil to lubricate all of its moving parts inside. As the oil passes over and through these components, it also cools them down by absorbing heat. When the oil becomes too hot, however, it begins to break down or degrade. At that point, it no longer protects your engine the way it should.

To prevent excessive heat from building up in the engine oil, some vehicles come equipped with an oil cooler. The oil cooler is usually an aluminum box with small or passageways inside of it. Some of these passageways carry oil. Others carry engine coolant. A thin layer of aluminum separates the two liquids. Oil cooler lines carry the oil and coolant to and from the cooler.

When oil passes through the oil cooler, some of its absorbed heat is transferred to the engine coolant. And, just as is the case with the rest of the engine cooling system, the coolant flows to the radiator where the heat dissipates into the atmosphere.


How do I know if my vehicle needs an engine oil cooler line replaced?

Oil cooler lines will have engine oil or coolant passing through them at high temperatures at high pressure. If an oil cooler line develops a leak, a significant amount of oil or coolant can be lost quickly and lead to significant engine damage. If one of your oil cooler lines is bad, you might notice one or more of the following signs:

Oil leaking from the area near the front of your engine or pooling on the ground

A coolant leak from the same area

The sweet smell of syrup near your vehicle

A knock that develops in your engine

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How does a technician perform An Oil Cooler Line Replacement ?

The engine oil cooler is usually located at the front of your vehicle near the front of the engine. In order to replace a cooler line, a technician may need to remove splash shields or other parts for access. The service might also require that your vehicle be lifted and supported on a lift. While the specifics of an oil cooler line replacement might differ from one vehicle to the next, a technician will take the following general steps in addition to the ones mentioned above:

  • Disconnect the negative battery terminal, taking care to preserve the vehicle’s computer memory
  • Drain the cooling system (if necessary)
  • Disconnect the bad line at both ends
  • Remove any mounting hardware
  • Remove the line and insert a new one
  • Re-attach the mounting hardware
  • Reconnect the line
  • Re install any shields, guards, covers, or ducts that were removed
  • Refill the vehicle with engine coolant and purge the system of air
  • Top off the engine oil
  • Reconnect the battery terminal
  • Start the vehicle and verify no leaks are present


Do you have to drain oil to change oil cooler lines?
Whether or not you need to drain oil to change the oil cooler lines will depend on the type and setup of the oil cooler in your vehicle, as well as which lines are being replaced. This is something a qualified technician will be able to assess properly.
Can I drive with an oil cooler leak?
Driving with an engine oil cooler leak will eventually result in your engine losing a significant amount of oil, coolant, or both. Either situation can quickly lead to thousands of dollars of damage to your engine.
What happens if your oil cooler line leaks?
When an oil cooler line leaks, the engine will begin losing either coolant or oil (depending on which line is leaking). When this happens, your engine will eventually be emptied of engine oil, coolant, or both. Continuing to drive the vehicle if this happens can quickly result in thousands of dollars of damage to your engine.

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